--- product_id: 417704582 title: "Primaflow Round Filling Valve Float - 4.1/2\" Diameter" brand: "primaflow" price: "€ 50.05" currency: EUR in_stock: true reviews_count: 5 category: "Primaflow" url: https://www.desertcart.pt/products/417704582-primaflow-round-filling-valve-float-4-1-2-diameter store_origin: PT region: Portugal --- # Brass threaded insert prevents cross-threading 4.5" diameter precision fit Durable hard plastic for long-lasting use Primaflow Round Filling Valve Float - 4.1/2" Diameter **Brand:** primaflow **Price:** € 50.05 **Availability:** ✅ In Stock ## Summary > 🚰 Upgrade your flow game with Primaflow precision! ## Quick Answers - **What is this?** Primaflow Round Filling Valve Float - 4.1/2" Diameter by primaflow - **How much does it cost?** € 50.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/417704582-primaflow-round-filling-valve-float-4-1-2-diameter) ## Best For - primaflow enthusiasts ## Why This Product - Trusted primaflow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted UK Quality:** Manufactured by Primaflow with a 4.6-star rating from 212+ users, combining reliability with proven performance. - • **Versatile Compatibility:** Designed to suit 1/2" and 3/4" float valves, making it the go-to replacement for a wide range of plumbing setups. - • **Precision 4.5" Diameter Fit:** Engineered for seamless compatibility with most brass and plastic float valves, ensuring a perfect seal every time. - • **Robust Hard Plastic Construction:** Crafted from premium hard plastic, this float resists wear and tear, promising durability in demanding cistern and loft tank environments. - • **Brass Insert for Cross-Thread Protection:** Integrated brass threading eliminates frustrating cross-threading, saving you time and hassle during installation. ## Overview The Primaflow Round Filling Valve Float features a 4.5-inch diameter hard plastic body with a brass threaded insert designed to prevent cross-threading. Compatible with 1/2" and 3/4" float valves, it offers durable, reliable performance for cisterns and loft tanks. Manufactured in the UK, it boasts a strong customer satisfaction rating and meets industry threading standards. ## Description 115mm Circular ball valve float with brass insert. Float to suit 1/2" & 3/4" Float Valve. Brass Insert Brass insert threaded 5/16" to suit 1/2" & 3/4" float valves. Ideal for inlet valves for loft tanks or toilet cisterns. Review: Worked really well as a replacement float for a 30 gallon water trough (similar design to Kingspan type). Ideal. Review: The product is of good quality and made in the UK it's a perfect replacement and fit and work well. Thank you ## Features - 4-1/2" round Polyfloat suitable for cisterns and loft tanks - Includes brass insert to eliminate cross threading - Great quality hard plastic and hard wearing - Ideal to be used with most brass or plastic float valves - Cistern And Toilet Accessories ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00NELYG4S | | ASIN | B00NELYG4S | | Brand Name | Primaflow | | Customer Reviews | 4.6 4.6 out of 5 stars (212) | | Customer reviews | 4.6 4.6 out of 5 stars (212) | | Date First Available | 24 March 2021 | | Exterior Finish | Brass | | Inlet Connection Size | 4.5 Inches | | Inlet Connection Type | threaded | | Is Discontinued By Manufacturer | No | | Item Weight | 0.06 Kilograms | | Item model number | PFV115 | | Manufacturer | Primaflow | | Manufacturer | Primaflow | | Manufacturer Part Number | 10013354 | | Material Type | Brass | | Model Number | PFV115 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 4.5 Inches | | Outlet Connection Type | NPT | | Package Dimensions | 18.9 x 12.6 x 12.2 cm; 60 g | | Set Name | Single Float Valve with Brass Insert | | Size | 1/2 Inch BSP | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | ANSI B1.20.1, MSS SP 25 | | Thread Size | 5/16" | | Thread Type | Threaded | | Unit Count | 1.0 Count | | Valve Type | Float Valve | ## Product Details - **Brand:** Primaflow - **Exterior finish:** Brass - **Inlet connection size:** 4.5 Inches - **Inlet connection type:** threaded - **Material:** Brass ## Images ![Primaflow Round Filling Valve Float - 4.1/2" Diameter - Image 1](https://m.media-amazon.com/images/I/41n7XaMz0FL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***H on 29 June 2025* Worked really well as a replacement float for a 30 gallon water trough (similar design to Kingspan type). Ideal. ### ⭐⭐⭐⭐⭐ Review *by M***. on 20 August 2025* The product is of good quality and made in the UK it's a perfect replacement and fit and work well. Thank you ### ⭐⭐⭐⭐ Review *by F***Y on 22 November 2024* Looks strong and well made, good value. ## Frequently Bought Together - Round Filling Valve Float - 4.1/2" Diameter - 1/2" Part 2 High Pressure Brass ball Valve - 3/4 Inch Part 2 High Pressure Float Valve --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/417704582-primaflow-round-filling-valve-float-4-1-2-diameter](https://www.desertcart.pt/products/417704582-primaflow-round-filling-valve-float-4-1-2-diameter) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-07*